Eddie Constantine
Lemmy Caution
Anna Karina
Natacha von Braun
Akim Tamiroff
Henri Dickson
Valérie Boisgel
2nd Seductress Third Class (uncredited)
Jean-Louis Comolli
Prof. Jeckell (uncredited)
Michel Delahaye
von Braun's Assistant (uncredited)
Christa Lang
1st Seductress Third Class (uncredited)
Jean-Pierre Léaud
Breakfast Waiter (uncredited)
László Szabó
Chief Engineer (uncredited)
Howard Vernon
Léonard von Braun (uncredited)
Ernest Menzer
Red Star Hotel Receptionist (uncredited)
Jean-André Fieschi
Prof. Heckell (uncredited)
